Problem 1
Which of the following has lowest solubility in water? (a) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHOH}\) (b) \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{COH}\) (c) \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) (d) \(\mathrm{MeOH}\)
Problem 2
Which of the following has the maximum extent of hydrogen bonding? (a) ethyl amine (b) ammonia (c) ethyl alcohol (d) diethyl ether
Problem 3
Which of the following is the most soluble in water? (a) isobutyl alcohol (b) n-butyl alcohol (c) sec-butyl alcohol (d) tert-butyl alcohol
Problem 4
An ethyl, alcohol exhibits an acidic character on reaction with (a) hydrogen chloride (b) acetic acid (c) sodium metal (d) acidic \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}\)
Problem 5
An ether which is liquid at room temperature is (a) \(\mathrm{CH}_{3} \mathrm{OCH}_{3}\) (b) \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OC}_{2} \mathrm{H}_{5}\) (c) \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OCH}_{3}\) (d) none
Problem 7
The most appropriate reagent to convert \(\mathrm{RCOOEt} \longrightarrow \mathrm{RCH}_{2} \mathrm{OH}\) is (a) \(\mathrm{Li} / \mathrm{NH}_{3}\) (liq) (b) \(\mathrm{NaBH}_{4}\) (c) \(\mathrm{LiAlH}_{4}\) (d) \(\mathrm{H}_{2} / \mathrm{Pd}-\mathrm{C}\)
Problem 8
Phenol is less acidic than (a) o-nitrophenol (b) p-methylphenol (c) methanol (d) ethanol
Problem 9
The compound which gives the most stable carbonium ion on dehydration is (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\) (b) \(\left(\mathrm{CH}_{3}\right)_{3} \mathrm{COH}\) (c) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHCH}_{2} \mathrm{OH}\) (d) \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{2} \mathrm{CH}_{3}\)
Problem 11
Which of the following does not give iodoform test? (a) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) (b) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\) (c) \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHOH}\) (d) \(\mathrm{CH}_{3} \mathrm{COCH}_{3}\)
Problem 12
Diethyl ether is heated with one mole of HI, the products formed are (a) ethyl alcohol and ethyl iodide (b) ethyl iodide only (c) ethyl alcohol only (d) ethyl iodide and ethane